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Finding the Fourth Proportional to 297,297.09, 445,944.24 and 84,064.59

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Solution

The fourth proportional to 297,297.09, 445,944.24 and 84,064.59 is: 126,096.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,297.09 : 445,944.24 = 84,064.59 : x
  2. Step 2: Convert to fraction form
    297,297.09/445,944.24 = 84,064.59/x
  3. Step 3: Cross multiply
    297,297.09x = 445,944.24 × 84,064.59
  4. Step 4: Simplify right side
    297,297.09x = 37,488,119,698.46
  5. Step 5: Solve for x
    x = 37,488,119,698.46/297,297.09
  6. Step 6: Final answer
    x = 126,096.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.